/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.hadoop.hive.ql.plan.ptf;

import java.util.ArrayList;
import java.util.List;

public class OrderDef {
  List<OrderExpressionDef> expressions;

  public OrderDef() {}

  public OrderDef(PartitionDef pDef) {
    for(PTFExpressionDef eDef : pDef.getExpressions()) {
      addExpression(new OrderExpressionDef(eDef));
    }
  }

  public List<OrderExpressionDef> getExpressions() {
    return expressions;
  }

  public void setExpressions(ArrayList<OrderExpressionDef> expressions) {
    this.expressions = expressions;
  }
  public void addExpression(OrderExpressionDef e) {
    expressions = expressions == null ? new ArrayList<OrderExpressionDef>() : expressions;
    expressions.add(e);
  }
}

